योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-39, verse-28

श्रीवसिष्ठ उवाच ।
कलङ्ककलना ब्रह्मण्यस्ति नास्तीति वानघ ।
सिद्धान्तकाले वक्तव्यं स्वयं ज्ञास्यसि राघव ॥ २८ ॥

śrīvasiṣṭha uvāca ,
kalaṅkakalanā brahmaṇyasti nāstīti vānagha ,
siddhāntakāle vaktavyaṃ svayaṃ jñāsyasi rāghava 28

28. śrīvasiṣṭhaḥ uvāca kalaṅkakalana brahmaṇi asti na asti iti
vā anagha siddhāntakāle vaktavyaṃ svayam jñāsyasi rāghava

28. śrīvasiṣṭhaḥ uvāca anagha rāghava brahmaṇi kalaṅkakalana
asti na asti iti vā siddhāntakāle vaktavyaṃ svayam jñāsyasi

28. Śrī Vasiṣṭha said: O blameless one (anagha), whether any imputation of blemish (kalaṅkakalana) exists or does not exist in Brahman (brahman)—this matter should be discussed at the time of ultimate realization (siddhāntakāla). You yourself, O Rāghava, will then know.

Words meanings summery:

• श्रीवसिष्ठः (śrīvasiṣṭhaḥ) - The revered sage Vasiṣṭha (Śrī Vasiṣṭha)

• उवाच (uvāca) - said, spoke

• कलङ्ककलन (kalaṅkakalana) - imputation of blemish, concept of imperfection

• ब्रह्मणि (brahmaṇi) - in Brahman

• अस्ति (asti) - is, exists

• न (na) - not, no

• अस्ति (asti) - is, exists

• इति (iti) - thus, so, in this manner (marks direct speech or thought)

• वा (vā) - or, either...or

• अनघ (anagha) - Addressed to Rāma, emphasizing his purity (O blameless one, O sinless one)

• सिद्धान्तकाले (siddhāntakāle) - at the time of conclusion, at the time of ultimate realization

• वक्तव्यं (vaktavyaṁ) - is to be spoken, is to be said, to be discussed

• स्वयम् (svayam) - oneself, by oneself, personally

• ज्ञास्यसि (jñāsyasi) - you will know

• राघव (rāghava) - Addressed to Rāma, emphasizing his lineage (O descendent of Raghu)

Words meanings and morphology

श्रीवसिष्ठः (śrīvasiṣṭhaḥ) - The revered sage Vasiṣṭha (Śrī Vasiṣṭha)

(proper noun)

Nominative, masculine, singular of śrīvasiṣṭha

śrīvasiṣṭha - The revered sage Vasiṣṭha

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, past perfect (lit) of uvāca

Perfect Active

Root `vac` (to speak), perfect tense, 3rd person singular

Root: vac (class 2)

कलङ्ककलन (kalaṅkakalana) - imputation of blemish, concept of imperfection

(noun)

Nominative, neuter, singular of kalaṅkakalana

kalaṅkakalana - imputation of blemish, concept of imperfection

Compound type : tatpuruṣa (kalaṅka+kalana)

• kalaṅka – blemish, spot, stain, fault, defect
  noun (masculine)
• kalana – calculating, reckoning, comprehending, conceiving, imputation
  noun (neuter)
  From root `kal` (to count, to know)
  Root: kal (class 10)

ब्रह्मणि (brahmaṇi) - in Brahman

(noun)

Locative, neuter, singular of brahman

brahman - the Absolute, the Ultimate Reality, sacred utterance, universal spirit

Root: bṛh (class 1)

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present (lat) of as

Root `as` (to be), present tense, 3rd person singular

Root: as (class 2)

न (na) - not, no

(indeclinable)

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present (lat) of as

Root `as` (to be), present tense, 3rd person singular

Root: as (class 2)

इति (iti) - thus, so, in this manner (marks direct speech or thought)

(indeclinable)

वा (vā) - or, either...or

(indeclinable)

अनघ (anagha) - Addressed to Rāma, emphasizing his purity (O blameless one, O sinless one)

(adjective)

Vocative, masculine, singular of anagha

anagha - blameless, sinless, faultless, pure

Negative prefix `a-` + `agha` (sin, fault)

Compound type : nañ-tatpuruṣa (a+agha)

• a – not, non
  indeclinable
• agha – evil, sin, fault, distress, misfortune
  noun (neuter)

सिद्धान्तकाले (siddhāntakāle) - at the time of conclusion, at the time of ultimate realization

(noun)

Locative, masculine, singular of siddhāntakāla

siddhāntakāla - time of conclusion, period of established doctrine

Compound type : tatpuruṣa (siddhānta+kāla)

• siddhānta – established conclusion, settled doctrine, dogma
  noun (masculine)
  Past Passive Participle (of sidh with sam-ā)
  From root `sidh` (to accomplish), with prefixes `sam-` and `ā-`
  Prefixes: sam+ā
  Root: sidh (class 1)
• kāla – time, period, season
  noun (masculine)

वक्तव्यं (vaktavyaṁ) - is to be spoken, is to be said, to be discussed

(adjective)

Nominative, neuter, singular of vaktavya

vaktavya - to be spoken, to be said, fit to be spoken

Gerundive/Future Passive Participle

From root `vac` (to speak), suffix `tavya`

Root: vac (class 2)

स्वयम् (svayam) - oneself, by oneself, personally

(indeclinable)

ज्ञास्यसि (jñāsyasi) - you will know

(verb)

2nd person , singular, active, future (lṛṭ) of jñā

Future Tense

Root `jñā` (to know), future tense, 2nd person singular

Root: jñā (class 9)

राघव (rāghava) - Addressed to Rāma, emphasizing his lineage (O descendent of Raghu)

(proper noun)

Vocative, masculine, singular of rāghava

rāghava - descendant of Raghu, an epithet of Rāma

From `raghu` (name of an ancient king) + `aṇ` suffix (indicating descendant)